Synced Mirror FMS Validation Using Current Flight Data
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Solution Overview
Problem
Existing Flight Management Systems (FMS) and their mirror counterparts, although identical, are disconnected, leading to unreliable data validation due to reliance on initial user-provided data, which may not accurately reflect in-flight conditions.
Innovation Solution
A method and system for offboard data validation where a primary FMS transmits current parameters and conditions to a mirror FMS, allowing simultaneous data processing and validation of results to ensure integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the mirror FMS is disconnected from the primary FMS, then the integrity of the primary FMS is maintained, but the validation accuracy deteriorates because the mirror FMS cannot access current in-flight data
Solution Approach 1:
A data transmission system acts as an intermediary between the primary FMS and mirror FMS, allowing the mirror FMS to receive current flight data without creating a direct connection that would compromise primary FMS integrity. This intermediary mechanism enables accurate validation while preserving system security and integrity.
Solution Approach 2:
The system is segmented into two independent but coordinated components: the primary FMS that maintains operational integrity and the mirror FMS that performs validation. The segmentation allows each component to fulfill its specific function while maintaining overall system reliability through their coordinated interaction via data transmission.
2Device complexity
If the mirror FMS uses initial user-provided data, then the system complexity is reduced, but the validation reliability deteriorates due to outdated or inaccurate data
Solution Approach 1:
The system implements continuous data transmission from the primary FMS to the mirror FMS, ensuring that the mirror FMS always has access to current and accurate flight data. This continuous data flow maintains validation reliability without requiring complex manual data updates or reinitialization procedures.
3Measurement precision
If the primary FMS transmits current parameters to the mirror FMS, then the validation accuracy is improved, but the data transmission requirements and system complexity increase
Solution Approach 1:
The mirror FMS receives a copy of the current flight data from the primary FMS through automated transmission. This copying mechanism enables the mirror FMS to perform accurate validation using identical current data without requiring complex real-time synchronization or multiple data transmission protocols.
Data Source
AI summary
A method and system for validating data for a Flight Management System (FMS) onboard an aircraft has been developed. Incoming data is received with a primary FMS located onboard the aircraft while the incoming data is simultaneously received with a mirror FMS that is identical to the primary FMS. The current parameters and conditions of the primary FMS are automatically transmitted to the mirror FMS. Next, the incoming data is processed with both the primary FMS and the mirror FMS. The results of the processed data of the primary FMS are then validated with the results of the processed data of the mirror FMS.